Answer:
Explanation:
we feed wild birds in the winter- topic sentence= first sentence of paragraph
Answer:
Dependant variables are those which are being measured and are the ones that are affected in an experiment.
On the other hand, independent variable are those which affect the dependant variable and due which changes are seen in the dependant variable.
In the above situation, the independent variable in this experiment is are identifying variables that affect the material under the absorption experiment.
I hope the answer is helpful. Thanks
The technique to improve internal validity is D) Addition of a control group.
<h3>What is
internal validity?</h3>
Internal validity serves as the study which bring about the establishment of a trustworthy cause-and-effect relationship that can be found in treatment and an outcome.
it should be noted that Internal validity also helps to eliminate alternative explanations , hence, The technique to improve internal validity is D) Addition of a control group.
Learn more about internal validity on:
brainly.com/question/968894
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COMPLETE QUESTOIN:
Which of the following is a technique to improve internal validity ____________?
A) Experimenter expectancy
B) Participant bias
C) Use of a confederate
D) Addition of a control group
Answer:
Food
Explanation:
I mean what else would it be?
